import matplotlib.pylab as plt

x_value = list(range(1, 1001))
y_value = [x**2 for x in x_value]

plt.scatter(x_value, y_value, c=y_value, cmap=plt.cm.Blues, edgecolors="none", s=10)

# plt.show()
plt.savefig("squares_plot.png", bbox_inches="tight")
